package com.teacher;

import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import com.bean.Student;
import com.utils.DaoFactory;

/**
 * Servlet implementation class TeacherAddStudent
 */
@WebServlet("/TeacherAddStudent")
public class TeacherAddStudent extends HttpServlet {
	private static final long serialVersionUID = 1L;
       
    /**
     * @see HttpServlet#HttpServlet()
     */
    public TeacherAddStudent() {
        super();
        // TODO Auto-generated constructor stub
    }

	/**
	 * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		// TODO Auto-generated method stub
		request.setCharacterEncoding("utf-8");
		response.setCharacterEncoding("utf-8");
		HttpSession session = request.getSession();
		String examname = (String) session.getAttribute("examname");
		String student_id = request.getParameter("student_id");
		String student_name = request.getParameter("student_name");
		String student_class = request.getParameter("student_class");
		Student student = new Student();
		student.setStu_id(student_id);
		student.setStu_name(student_name);
		student.setStu_class(student_class);
		student.setStu_exam(examname);
		int result = DaoFactory.getStudentDaoInstance().add(student);
		String id = (String) request.getParameter("id");
		if(result>0) {
			if (id != null && id.equals("2")) {
				response.sendRedirect("./Page");
			} else {
				response.sendRedirect("./Page?exam=" + examname);
			}
		}
	}

	/**
	 * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		// TODO Auto-generated method stub
		doGet(request, response);
	}

}
